Home / 156,002.40-215,264.79-88,015.41

Finding the Fourth Proportional to 156,002.40, 215,264.79 and 88,015.41

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Solution

The fourth proportional to 156,002.40, 215,264.79 and 88,015.41 is: 121,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,002.40 : 215,264.79 = 88,015.41 : x
  2. Step 2: Convert to fraction form
    156,002.40/215,264.79 = 88,015.41/x
  3. Step 3: Cross multiply
    156,002.40x = 215,264.79 × 88,015.41
  4. Step 4: Simplify right side
    156,002.40x = 18,946,618,750.41
  5. Step 5: Solve for x
    x = 18,946,618,750.41/156,002.40
  6. Step 6: Final answer
    x = 121,450.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.